NVIDIA A30 PCIe vs NVIDIA GeForce GT 640

VS

We compared two Desktop platform GPUs: 24GB VRAM A30 PCIe and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A30 PCIe 's Advantages

Released 8 years and 10 months late

Boost Clock1440MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (933.1GB/s vs 28.51GB/s)

3200 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 165W)

Score

Benchmark

FP32 (float)

A30 PCIe +1389%

10.32 TFLOPS

GeForce GT 640

0.693 TFLOPS

Blender

A30 PCIe +6262%

2036

GeForce GT 640

32

A30 PCIe

VS

GeForce GT 640

Graphics Card

Apr 2021

Release Date

Jun 2012

Tesla Ampere

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

930 MHz

Base Clock

-

1440 MHz

Boost Clock

-

1215 MHz

Memory Clock

891 MHz

Memory

24GB

Memory Size

2GB

HBM2e

Memory Type

DDR3

3072bit

Memory Bus

128bit

933.1GB/s

Bandwidth

28.51GB/s

Render Config

56

SM Count

-

Compute Units

-

3584

Shading Units

384

224

TMUs

32

96

ROPs

16

224

Tensor Cores

-

RT Cores

-

192 KB (per SM)

L1 Cache

16 KB (per SMX)

24 MB

L2 Cache

256 KB

Theoretical Performance

138.2 GPixel/s

Pixel Rate

7.216 GPixel/s

322.6 GTexel/s

Texture Rate

28.86 GTexel/s

10.32 TFLOPS

FP16 (half)

-

10.32 TFLOPS

FP32 (float)

692.7 GFLOPS

5.161 TFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

GA100

GPU Name

GK107

-

GPU Variant

GK107-300-A2

Ampere

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

1.27 billion

826 mm²

Die Size

118 mm²

Board Design

165W

TDP

65W

450 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

8-pin EPS

Power Connectors

None

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

8.0

CUDA

3.0

N/A

Shader Model

5.1

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